Patents by Inventor CATHERINE WEI

CATHERINE WEI has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Air purifier and a method for controlling an air purifier
    Patent number: 11318407
    Abstract: An air purifier (10) uses an air purifier filter unit (12) and a sensor (26) for sensing the matter to be filtered by the air purifier filter unit. By monitoring (18) the performance of the air purifier combined with information about the air purifier filter unit, it is possible to determine a volume of the space in which the air purifier (10) is deployed.
    Type: Grant
    Filed: September 18, 2016
    Date of Patent: May 3, 2022
    Assignee: KONINKLIJKE PHILIPS N.V.
    Inventors: Catherine Wei, Jing Su, Rui Ke, Declan Patrick Kelly, Zhiqiang Zhang
  • AN AIR PURIFIER AND A METHOD FOR CONTROLLING AN AIR PURIFIER
    Publication number: 20180290095
    Abstract: An air purifier (10) uses an air purifier filter unit (12) and a sensor (26) for sensing the matter to be filtered by the air purifier filter unit. By monitoring (18) the performance of the air purifier combined with information about the air purifier filter unit, it is possible to determine a volume of the space in which the air purifier (10) is deployed.
    Type: Application
    Filed: October 28, 2015
    Publication date: October 11, 2018
    Inventors: CATHERINE WEI, JING SU, RUI KE, DECLAN PATRICK KELLY, ZHIQIANG ZHANG